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| | | | Motorized Bicycle General Discussion Topics on bicycle engine kits, help articles, repair and modifications for your motorized bicycles | Bite the bullet Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle General Discussion forum. Link.... http://motorbicycling.com/f6/vendor-...uals-3536.html...  | | 
10-22-2008, 08:53 AM
|  | Moderator | | Join Date: Mar 2008 Location: Tucson,Arizona
Posts: 2,957
| | Re: Bite the bullet | 
10-22-2008, 09:22 PM
| | Motorized Bicycle Builder | | Join Date: Oct 2008 Location: Austin, TX
Posts: 22
| | Re: Bite the bullet Alright a little further on today. I got almost everything lined up, then the chain. A little bit of a preface. I sold my car so this bike is my only method of transportation. That makes it very difficult to go all over the town looking for parts, but the bus helps, and the bike can ride on the front
So the chain, I took one too many links off, darn. So someone mentioned that I needed to get another "master link" or quick connect link, so off to the cycle store. Turns out that the chain that it came with is 415ER and on the way back to the house, after replacing the tube in the front the day before I got a flat about 4 miles away from home. Home again home again, and while the bike was working, the sprocket in the back is wobbling like a drunk at Oktoberfest. Grrrr.
Tomorrow there will be blood. Sprocket and chain or bust. Thanks for all the encouragement and support guys.  | 
10-22-2008, 09:37 PM
| | Master Motorized Bicycle Builder | | Join Date: Jun 2008 Location: memphis tn
Posts: 265
| | Re: Bite the bullet whatever you do, don't let it get you down. Sometimes these motors can give you a real hard time.
I have replaced the crappy 415 chain that comes with the kit with a 41 chain from Tractor Supply Co. If the chain is a little long use some spacers at the rear motor mount to move the motor forward. If there is an inch of slack in the chain you will only need to use 1/4 to 1/2 inch spacers on the mount. This will allow you to be rid of another piece of frustrating equipment, the chain tensioner. The right amount of tension on the chain negates the use of a tensioner and when the chain stretches you can remove a link if needed or add another spacer on the rear mount.
good luck and happy motoring
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Let the solution BE the revolution
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10-22-2008, 09:55 PM
| | Motorized Bicycle Builder | | Join Date: Oct 2008 Location: Austin, TX
Posts: 22
| | Re: Bite the bullet Haha, they wanted 70 for the 415ER chain at the cycle store and the 41 chain is 18 at Tractor supply. Priceless. | 
10-22-2008, 10:03 PM
|  | Master Motorized Bicycle Builder | | Join Date: Mar 2008 Location: Treasure Coast, Florida
Posts: 680
| | Re: Bite the bullet Another good item at TSC is the spring loaded chain tensioner.......... Spring Return Chain Tensioner
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"No such thing as a stupid question, just a stupid answer"
48cc Grubee Starfire Round Head......
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10-22-2008, 10:23 PM
|  | Master Motorized Bicycle Builder | | Join Date: Jul 2008 Location: Asia
Posts: 171
| | Re: Bite the bullet Flat tires are a real hassle. Try using one of those Kevlar belted tires like the Maxxis Overdrive. For the wobbling sprocket, try to tighten the bolts and nuts at the same time, opposite nuts at a time. Takes a lot of patience...
__________________ It's more than a hobby, it's my transport. Caution: This hobby is habit forming. | 
10-23-2008, 03:24 PM
|  | Master Motorized Bicycle Builder | | Join Date: Sep 2008 Location: Sunny Arizona
Posts: 153
| | Re: Bite the bullet Steel Gary Fisher is a good choice for a first build. Everything should fit well with some tinkering. It's also light; probably under 30 lbs.
I used a bicycle chain tool on my mo-bike chain. It was a pain in the butt because it didn't fit that well, but I was able to shorten the chain for a better fit.
There is an an installation manual for Chinese motors posted on this site. Click around until you find it.
The easiest way to build your bike is with a chum that has built one himself. (Beer should attract one). The rest of us have to rely on help from the erudite members of this forum, as I did. Cheers
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If you said something in the forest and your wife wasn't there to hear it, would you still be wrong?
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10-24-2008, 10:29 PM
|  | Master Motorized Bicycle Builder | | Join Date: Sep 2008 Location: Fl.
Posts: 161
| | Re: Bite the bullet Keep up the good work, it will be worth it.
I'm a retired certified mechanic and it took me 2-1/2 days to put it together.
After I threw away the instructions, it became easier.
Flat Tires Suck! | 
10-25-2008, 04:50 AM
| | Motorized Bicycle Builder | | Join Date: Oct 2008 Location: Austin, TX
Posts: 22
| | Re: Bite the bullet Yeah, well I still have a flat tire, and I cut the chain too short, so off to tractor supply tomorrow to get the 41 chain, then off to tighten the sprocket, mix the oil and gas and for the first ride. I rode about 10 miles with the engine on but not running, to try to get a master link that ended up not fitting. So tomorrow is the day... hopefully. | 
10-25-2008, 04:57 AM
| | Motorized Bicycle Builder | | Join Date: Oct 2008 Location: Austin, TX
Posts: 22
| | Re: Bite the bullet Speaking of which, where did y'all get the transmission, or whatever it is that drives the sprocket that attaches to the petals, that then can shift to the back sprocket on the back wheels? | | Thread Tools | | | | Display Modes | Linear Mode |
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